# SDR EE4Y2018041906378

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2018
- Submitted: April 19, 2018
- Operation: Air carrier
- Aircraft: N306GT
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 27157
- Aircraft time: 53,992 hours, 29,261 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vertical Beam
- Condition: Cracked
- Location: Bs 178 Bulkhead
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EE4Y2018041906378

## Discrepancy

DURING INSPECTION OF THE BS 178 BULKHEAD, FOUND A VERTICAL BEAM CRACKED AT RBL 5.7 AND WBL 181.5. THE DAMAGED VERTICAL BEAM WAS REPAIRED IAW SB 737-53A1225.

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